In this science fair project you will make a model of a cell membrane using very simple material.

Invigorate your fourth grader's mind by helping him turn his room into a woven masterpiece using various lengths of material.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Want to reuse materials that would otherwise get tossed in the trash? Show your third grader how to get crafty with old newspaper and fabric.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Make a homemade doll out of recycled materials, similar to dolls made by pioneer children.

Discover the science behind materials that absorb heat, and materials that don't, by constructing this cork trivet for your dinner table.

Create a chunky, textured, tactile giraffe collage that is cute enough to pet! This is a great way to recycle old arts and crafts materials.

In this activity, learners will discover how to make a basic water filtration system using common materials found around the house or outside.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Create a self-portrait from natural materials in this collage craft activity!

Make beautiful print block art with your kids using recycled materials.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Create this homemade slinky snake from recycled materials. It can move and slither about like the real thing!

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Beach bags don't have to be bought...make your own beach bag out of recycled materials in this summer craft.

Here's how to create an easy travel checkers board that you are your child can enjoy together using simple materials.

Inspired by colorful African drums and crafted from recyclable materials, these pencil holders will make a bold and charming addition to any desk set.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Celebrate Earth Day by making colorful animal sculptures using recycled materials from around the house in this 3rd grade arts and crafts activity.

This rainbow collage activity is a great way to practice using different materials to create texture. The completed craft is sure to brighten up any space.

Make your own wrapping paper with some materials from around the house. Try to make your own wrapping paper this year for a unique presentation for your gifts.

This science fair project examines how seeds hitchhike on animals and clothing.

Your fourth grader will hone his fine motor skills and learn to follow directions as he creates this recycled angel tree topper out of an ordinary soda bottle!

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.